[Jewelry making - Article 00050] - Re: [Orchid] Antiquing Platinum?

[Phillip]

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Hello Neil,

    I recently tried the same on a Celtic engraved platinum band. I
    didn't try copper plating. I am not sure plating copper onto is
    desirable as it might contaminate the surface too much. If I had to
    do it again, I might cast the band in cobalt alloy platinum and
    oxidise it. I tried rhodium plating the ring. I heated it and used
    liver of sulphur which didn't work. That goes black on other metals
    but on platinum it will only oxidise light grey, so... 

    Vitreous enamel will work. Actual enamel won't adhere to platinum
    especially with the amount of times you will have to fire it. 

Best of luck,

Phillip

 
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